有些地方不仅缺水，水质也因污染和环境退化而恶化。
In some places water scarcity is accompanied by deteriorated water quality due to pollution and environmental degradation.
能引起环境污染和环境退化的全球经济活动总量居高不下，尽管它的重点已经转向了世界各地。
Our global economy's toll in pollution and degradation of the environment remains high, though its focus has shifted around the globe.
在过去的2年中，一份分析账户已经形成，它由42个产业所造成的环境污染，治理费用和环境退化的实质定量而组成。
In the last two years, an accounting analysis has been made of physical quantification of environmental pollution, imputed treatment cost and the environmental degradation cost for 42 industries.
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